Impeller of waterwheel



FIG. 1 is a front view of an impeller of waterwheel showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a cross-sectional view thereof taken along section line 7-7 of FIG. 1;

FIG. 8 is a cross-sectional view thereof taken along section line 8-8 of FIG. 5;

FIG. 9 is a perspective view thereof; and,

FIG. 10 is a partially enlarged perspective view of portion 10 of FIG. 9.

The dot-dash broken lines shown define the bounds of the claimed design and form no part thereof. 

CLAIM The ornamental design for an impeller of waterwheel, as shown and described. 